package org.csmz.xg2334;

public class Example18 {
    public static void main(String[] args) {
        int[] arr=new int[3];
        System.out.println("arr[0]=" + arr[0]);
        System.out.println("arr=[1]=" + arr[1]);
        System.out.println("arr=[2]=" + arr[2]);
        System.out.println("数组的长度是" + arr.length);
    }
}
